Part of the COBB Stage 3 Package, our 3" Stainless Steel Dual Tip Cat-Back for the Ford Focus ST is a direct replacement cat-back exhaust that boasts full 304 stainless steel construction, custom inline mufflers, and dual 4" double wall tips, resulting in a drone-free, unique exhaust note. Perfectly tuned out of the box with the Accessport and ready-to-run with easy installation!